In 1930s America, Evelyn grows suspicious when her husband James becomes obsessed with a mysterious portrait and appears to be visited by the woman inside it. Her investigation uncovers a hidden room, planted evidence, and a staged haunting designed to conceal an affair. Sophia, initially blamed, is only a pawn; the real mastermind is maid Annie, James’s secret lover of three years. After Evelyn exposes the scheme, Annie is defeated and the Whitmore household returns to order.